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    <header>
        <h1>数据可视化-Echerts</h1>
        <div class="showtime"></div>

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            <div class="panel bar">
                <h2>柱形图-就业行业</h2>
                <div class="chart"></div>
                <div class="panel-footer"></div>
            </div>
            <div class="panel line">
                <h2>
                    折现图-人员变化
                    <a href="javascript:;">2020</a>
                    <a href="javascript:;">2019</a>
                </h2>
                <div class="chart"></div>
                <div class="panel-footer"></div>
            </div>
            <div class="panel pie">
                <h2>柱形图-就业行业</h2>
                <div class="chart"></div>
                <div class="panel-footer"></div>
            </div>
        </div>
        <!-- 中间 -->
        <div class="column">
            <!-- 时间模块 -->
            <div class="no">
                <div class="no-hd">
                    <ul>
                        <li>1234</li>
                        <li>443534</li>
                    </ul>
                </div>
                <div class="no-bd">
                    <ul>
                        <li>前端需求人数</li>
                        <li>市场供应人数</li>
                    </ul>
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        <!-- 右侧 -->
        <div class="column">
            <div class="panel bar2">
                <h2>折线图-人员变化</h2>
                <div class="chart"></div>
                <div class="panel-footer"></div>
            </div>
            <div class="panel line2">
                <h2>柱形图-就业行业</h2>
                <div class="chart"></div>
                <div class="panel-footer"></div>
            </div>
            <div class="panel pie2">
                <h2>柱形图-就业行业</h2>
                <div class="chart"></div>
                <div class="panel-footer"></div>
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            dt = new Date();
            var y = dt.getFullYear();
            var mt = dt.getMonth() + 1;
            var day = dt.getDate();
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                "当前时间:  " + y +
                "年" + mt +
                "月" + day +
                "日" + h +
                "时" + m +
                "分" + s +
                "秒";
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